CrystalSpace

Public API Reference

cstool/userrndbuf.h
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00001 /*
00002     Copyright (C) 2003 by Philipp Aumayr
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_CSTOOL_USERRNDBUF_H__
00020 #define __CS_CSTOOL_USERRNDBUF_H__
00021 
00026 #include "csextern.h"
00027 
00028 #include "ivideo/shader/shader.h"
00029 
00030 #include "csutil/scf.h"
00031 #include "csutil/strset.h"
00032 
00033 struct iRenderBuffer;
00034 
00038 struct iUserRenderBufferIterator : public virtual iBase
00039 {
00040   SCF_INTERFACE(iUserRenderBufferIterator, 2,0,0);
00042   virtual bool HasNext() = 0;
00044   virtual CS::ShaderVarStringID Next (csRef<iRenderBuffer>* buf = 0) = 0;
00046   virtual void Reset() = 0;
00047 };
00048 
00053 class CS_CRYSTALSPACE_EXPORT csUserRenderBufferManager
00054 {
00055   struct userbuffer
00056   {
00057     csRef<iRenderBuffer> buf;
00058     CS::ShaderVarStringID name;
00059   };
00060   class UserBufArrayCmp : public csArrayCmp<userbuffer, CS::ShaderVarStringID>
00061   {
00062     static int BufKeyCompare (userbuffer const& b, CS::ShaderVarStringID const& k)
00063     { 
00064       return b.name - k;
00065     }
00066   public:
00067     UserBufArrayCmp (CS::ShaderVarStringID key) : 
00068       csArrayCmp<userbuffer, CS::ShaderVarStringID> (key, &BufKeyCompare)
00069     {
00070     }
00071   };
00072   static int BufCompare (userbuffer const& r, userbuffer const& k);
00073 
00074   csArray<userbuffer> userBuffers;
00075 public:
00077   iRenderBuffer* GetRenderBuffer (CS::ShaderVarStringID name) const;
00082   bool AddRenderBuffer (CS::ShaderVarStringID name, iRenderBuffer* buffer);
00087   bool RemoveRenderBuffer (CS::ShaderVarStringID name);
00088 
00089   csRef<iUserRenderBufferIterator> GetBuffers() const;
00090 };
00091 
00092 #endif // __CS_CSTOOL_USERRNDBUF_H__

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